today in afghanistan, the mayor of kandahar was killed in a suicide bomb attack. the bomber hid the bomb inside his turban, then set it off inside city aols hall where the mayor was at a meeting. this comes just days after president hamid karzai's half brother was killed, also in kandahar. the taliban said they committed both of those attacks. >>> the state department issues a tral warning for americans -- travel warning for americans saying al qaeda is planning attacks against u.s. interests all over the world. the u.s. says the death of osama bin laden has raised the risk for anti-violence all over the world. they say the attacks could be in the forms, suicide bombs, kidnappings, and hijackings. >>> alison burns is live in our washington, d.c. bureau with why they are delaying a vote planned for today. >> reporter: claudine, that's right. house republican leaders just wrapped up a closed-door meeting at the capitol that was reportedly very tense. they were dealing with a setback with just six days to go before the u.s. reaches its debt ceiling and faces default